Relative displacement control for horizontally curved composite bridges during construction

K. Kim; K. S. Lee; Young Jong Kang

Relative displacement control for horizontally curved composite bridges during construction

School of Civil, Environmental and Architectural Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Due to the coupling action of vertical bending and torsion, horizontally curved box girders are subject to significant rotations as well as deflections. Installing intermediate external cross-frames between box girders is an effective means to control these displacements. A new parameter, deck unevenness ratio, is utilized in this study to quantify the degree of uneven deck caused by relative deflections and rotations. In order to assess the effects of external cross-frames on the deck unevenness ratio that affect deck slab construction, hypothetical twin-box girder bridges were analyzed using a commercial finite element program.

Original language	English
Title of host publication	Proceedings of the 13th East Asia-Pacific Conference on Structural Engineering and Construction, EASEC 2013
Publisher	Hokkaido University collection of Scholarly Academic Papers, HUSCAP
Publication status	Published - 2013 Jan 1
Event	13th East Asia-Pacific Conference on Structural Engineering and Construction, EASEC 2013 - Sapporo, Japan Duration: 2013 Sep 11 → 2013 Sep 13

Other

Other	13th East Asia-Pacific Conference on Structural Engineering and Construction, EASEC 2013
Country	Japan
City	Sapporo
Period	13/9/11 → 13/9/13

ASJC Scopus subject areas

Civil and Structural Engineering
Building and Construction

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Relative displacement control for horizontally curved composite bridges during construction. / Kim, K.; Lee, K. S.; Kang, Young Jong.

Proceedings of the 13th East Asia-Pacific Conference on Structural Engineering and Construction, EASEC 2013. Hokkaido University collection of Scholarly Academic Papers, HUSCAP, 2013.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Kim, K, Lee, KS & Kang, YJ 2013, Relative displacement control for horizontally curved composite bridges during construction. in Proceedings of the 13th East Asia-Pacific Conference on Structural Engineering and Construction, EASEC 2013. Hokkaido University collection of Scholarly Academic Papers, HUSCAP, 13th East Asia-Pacific Conference on Structural Engineering and Construction, EASEC 2013, Sapporo, Japan, 13/9/11.

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AB - Due to the coupling action of vertical bending and torsion, horizontally curved box girders are subject to significant rotations as well as deflections. Installing intermediate external cross-frames between box girders is an effective means to control these displacements. A new parameter, deck unevenness ratio, is utilized in this study to quantify the degree of uneven deck caused by relative deflections and rotations. In order to assess the effects of external cross-frames on the deck unevenness ratio that affect deck slab construction, hypothetical twin-box girder bridges were analyzed using a commercial finite element program.

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KW - Torsion

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